This paper attempts to address both theoretical and practical considerations for a tax such as financial transactions taxes (FTT). It includes examples of FTT in the wider context, for example, on stocks and derivatives, currency transactions, and tangible property. Most of the discussion...

"The generation and implementation of ideas, or knowledge, is crucial for economic performance. We study this process in a model of endogenous growth with frictions. Productivity increases with knowledge, which advances via innovation, and with the exchange of ideas from those who generate them...